Does the unusual life history of the precocial cavy (Cavia magna) translate into an exceptional field metabolic rate?

Kunkele J, Kraus C, Trillmich F (2005)
PHYSIOLOGICAL AND BIOCHEMICAL ZOOLOGY 78(1): 48-54.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Autor*in
Kunkele, J; Kraus, C; Trillmich, FritzUniBi
Abstract / Bemerkung
An association between metabolic rate and life history has been predicted but not demonstrated yet. To test this prediction, we measured the field metabolic rate (FMR) of a rodent, Cavia magna, which has an unusual combination of life-history traits. Cavies live aboveground, feed on energy-poor diets, and take relatively long to produce a few highly precocial young. This "slow-living" life history might predict a relatively low metabolic rate. We recorded FMR of 29 individuals of C. magna in Uruguay using doubly labeled water. This represents the first FMR record for a hystricomorph rodent. Besides body mass, season best explained variation in recorded FMR, with higher daily energy expenditures during winter. Surprisingly, the reproductive state of females did not affect FMR. Comparison with allometric prediction did not support the hypothesis that the slow-living life history of precocial grazing cavies translates into relatively low FMR. However, the clear effect of season on FMR as well as the fact that cavies appear able to compensate for the energy cost of reproduction might be associated with the nonburrowing precocial life history of this species.
Erscheinungsjahr
2005
Zeitschriftentitel
PHYSIOLOGICAL AND BIOCHEMICAL ZOOLOGY
Band
78
Ausgabe
1
Seite(n)
48-54
ISSN
1522-2152
eISSN
1537-5293
Page URI
https://pub.uni-bielefeld.de/record/1604777

Zitieren

Kunkele J, Kraus C, Trillmich F. Does the unusual life history of the precocial cavy (Cavia magna) translate into an exceptional field metabolic rate? PHYSIOLOGICAL AND BIOCHEMICAL ZOOLOGY. 2005;78(1):48-54.
Kunkele, J., Kraus, C., & Trillmich, F. (2005). Does the unusual life history of the precocial cavy (Cavia magna) translate into an exceptional field metabolic rate? PHYSIOLOGICAL AND BIOCHEMICAL ZOOLOGY, 78(1), 48-54. https://doi.org/10.1086/425197
Kunkele, J, Kraus, C, and Trillmich, Fritz. 2005. “Does the unusual life history of the precocial cavy (Cavia magna) translate into an exceptional field metabolic rate?”. PHYSIOLOGICAL AND BIOCHEMICAL ZOOLOGY 78 (1): 48-54.
Kunkele, J., Kraus, C., and Trillmich, F. (2005). Does the unusual life history of the precocial cavy (Cavia magna) translate into an exceptional field metabolic rate? PHYSIOLOGICAL AND BIOCHEMICAL ZOOLOGY 78, 48-54.
Kunkele, J., Kraus, C., & Trillmich, F., 2005. Does the unusual life history of the precocial cavy (Cavia magna) translate into an exceptional field metabolic rate? PHYSIOLOGICAL AND BIOCHEMICAL ZOOLOGY, 78(1), p 48-54.
J. Kunkele, C. Kraus, and F. Trillmich, “Does the unusual life history of the precocial cavy (Cavia magna) translate into an exceptional field metabolic rate?”, PHYSIOLOGICAL AND BIOCHEMICAL ZOOLOGY, vol. 78, 2005, pp. 48-54.
Kunkele, J., Kraus, C., Trillmich, F.: Does the unusual life history of the precocial cavy (Cavia magna) translate into an exceptional field metabolic rate? PHYSIOLOGICAL AND BIOCHEMICAL ZOOLOGY. 78, 48-54 (2005).
Kunkele, J, Kraus, C, and Trillmich, Fritz. “Does the unusual life history of the precocial cavy (Cavia magna) translate into an exceptional field metabolic rate?”. PHYSIOLOGICAL AND BIOCHEMICAL ZOOLOGY 78.1 (2005): 48-54.

5 Zitationen in Europe PMC

Daten bereitgestellt von Europe PubMed Central.

Senescence and costs of reproduction in the life history of a small precocial species.
Trillmich F, Geißler E, Guenther A., Ecol Evol 9(12), 2019
PMID: 31380034
Comparative analyses of basal rate of metabolism in mammals: data selection does matter.
Genoud M, Isler K, Martin RD., Biol Rev Camb Philos Soc 93(1), 2018
PMID: 28752629
Seasonally different reproductive investment in a medium-sized rodent (Cavia aperea).
Rübensam K, Hribal R, Jewgenow K, Guenther A., Theriogenology 84(4), 2015
PMID: 26050611
Animal housing and welfare: effects of housing conditions on body weight and cortisol in a medium-sized rodent (Cavia aperea).
Schumann K, Guenther A, Jewgenow K, Trillmich F., J Appl Anim Welf Sci 17(2), 2014
PMID: 24665951

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